Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Fair

79°F

26°C

Humidity 88%
Wind Speed E 9 mph
Barometer 29.84 in (1009.7 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 30 Dec 5:54 am ChST
Extended Forecast for

Agat GU

High Surf Advisory December 30, 06:35am until December 30, 04:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory December 30, 06:35am until December 30, 04:00pm

    NOW until 4:00pm Tue

    High Surf Advisory

  • Today

    High: 84 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers.  Mostly cloudy, with a low around 76. East wind 9 to 13 mph.

    Low: 76 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers.  Mostly sunny, with a high near 84. East wind 9 to 14 mph, with gusts as high as 18 mph.

    High: 84 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers.  Partly cloudy, with a low around 76. East wind 8 to 13 mph.

    Low: 76 °F

    Isolated
    Showers

  • New Year's Day

    New Year's Day: Isolated showers.  Mostly sunny, with a high near 84. East wind 11 to 16 mph, with gusts as high as 22 mph.

    High: 84 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Today
Isolated showers. Partly sunny, with a high near 84. East northeast wind 9 to 14 mph, with gusts as high as 18 mph.
Tonight
Isolated showers. Mostly cloudy, with a low around 76. East wind 9 to 13 mph.
Wednesday
Isolated showers. Mostly sunny, with a high near 84. East wind 9 to 14 mph, with gusts as high as 18 mph.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 76. East wind 8 to 13 mph.
New Year's Day
Isolated showers. Mostly sunny, with a high near 84. East wind 11 to 16 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 76.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 76.
Monday
Mostly sunny, with a high near 86.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Agat GU
 13.38°N 144.67°E
6:06 am ChST Dec 30, 2025
6am ChST Dec 30, 2025-6pm ChST Jan 5, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database